Exercise D Chapter 2 Equations CA foundation maths solutions

Mathematics CA foundation Exercise D chapter 2 Equations solutions are given.

You should read and study the lesson Equations very well.

You should also practice all example problems and solutions which are given in the textbook.

CA foundation maths solutions

Equations

Exercise A

Exercise B

Exercise C

Exercise D

Chapter 2 Equations CA foundation maths solutions Exercise D

CA foundation maths solutions (textbook)

Chapter 2

Equations

Exercise D

Solution to the set of equations 

1. 1.5x + 3.6y = 2.1, 2.5(x + 1) = 6y

2. x/5 + y/6 + 1 = x/6 + y/5 = 28

3. x/4 = y/3 = z/2, 7x + 8y + 5z = 62

4. xy/(x+y) = 20, yz/(y+z) = 40, zx/(z+x) = 24

5. 2x + 3y + 4z = 0, x + 2y – 5z = 0, 10x + 16y – 6z = 0

Solutions Exercise C chapter 2 CA foundation maths

6. 1/3 (x+y) + 2z = 21, 3x – 1/2(y+z) = 65

7. 4/x – 5/y = (x+y)/xy + 3/10 and 3xy = 10(y-x)

8. x/ 0.01 + (y + 0.03)/0.05 = y/0.02 + (x + 0.03)/0.04 = 2

9. xy/(y-x) = 110, yz/(z-y)/ = 132, zx/(z+x) = 60/11

10. 3x – 4y + 70z = 0, 2x + 3y – 10z = 0, x + 2y + 3z = 13

Note : You should observe the solutions. You will be try them in your own method.

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